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FR2708777B1 - Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz. - Google Patents

Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz.

Info

Publication number
FR2708777B1
FR2708777B1FR9309846AFR9309846AFR2708777B1FR 2708777 B1FR2708777 B1FR 2708777B1FR 9309846 AFR9309846 AFR 9309846AFR 9309846 AFR9309846 AFR 9309846AFR 2708777 B1FR2708777 B1FR 2708777B1
Authority
FR
France
Prior art keywords
frequencies
medium
low
acoustic energy
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9309846A
Other languages
French (fr)
Other versions
FR2708777A1 (en
Inventor
Manigold Alain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls Roth SAS
Original Assignee
Roth Freres SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roth Freres SAfiledCriticalRoth Freres SA
Priority to FR9309846ApriorityCriticalpatent/FR2708777B1/en
Priority to CZ941823Aprioritypatent/CZ285530B6/en
Priority to US08/282,460prioritypatent/US5493081A/en
Priority to CA002129269Aprioritypatent/CA2129269A1/en
Priority to DE69424351Tprioritypatent/DE69424351T2/en
Priority to AT94440051Tprioritypatent/ATE192876T1/en
Priority to EP94440051Aprioritypatent/EP0637820B1/en
Priority to DE0637820Tprioritypatent/DE637820T1/en
Priority to PT94440051Tprioritypatent/PT637820E/en
Priority to HU9402264Aprioritypatent/HUH3806A/en
Priority to ES94440051Tprioritypatent/ES2074974T3/en
Priority to KR1019940019233Aprioritypatent/KR950005682A/en
Priority to JP18472094Aprioritypatent/JP3333052B2/en
Priority to SK938-94Aprioritypatent/SK281833B6/en
Priority to RU94028651/28Aprioritypatent/RU2106021C1/en
Publication of FR2708777A1publicationCriticalpatent/FR2708777A1/en
Application grantedgrantedCritical
Publication of FR2708777B1publicationCriticalpatent/FR2708777B1/en
Anticipated expirationlegal-statusCritical
Expired - Fee Relatedlegal-statusCriticalCurrent

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Classifications

Landscapes

Abstract

The subject of the present invention is a panel which absorbs acoustic energy in the low, medium and high frequencies, in particular in the frequencies lying between 400 Hz and 5000 Hz. Panel characterised in that it is essentially constructed from a plate (1) of semi-rigid foam with open, communicating cells and from a bed (2) of linked fibres or from a flexible cellular material, the whole operating according to a mass/spring principle.
FR9309846A1993-08-061993-08-06 Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz.Expired - Fee RelatedFR2708777B1 (en)

Priority Applications (15)

Application NumberPriority DateFiling DateTitle
FR9309846AFR2708777B1 (en)1993-08-061993-08-06 Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz.
CZ941823ACZ285530B6 (en)1993-08-061994-07-29Panel absorbing acoustic energy
US08/282,460US5493081A (en)1993-08-061994-07-29Panel that absorbs acoustic energy at low, medium and high frequencies, particularly at frequencies ranging from 400 Hz to 5,000 Hz
CA002129269ACA2129269A1 (en)1993-08-061994-08-01Panel absorbing low, mid and high frequency acoustic waves, particularly waves with frequencies between 400 hz and 5000 hz
HU9402264AHUH3806A (en)1993-08-061994-08-03Table for swallowing sound energy of low, medium, high, especially 400 hz and 5000 hz frequency
EP94440051AEP0637820B1 (en)1993-08-061994-08-03Panel absorbing acoustic energy in the low, medium and high frequencies
DE0637820TDE637820T1 (en)1993-08-061994-08-03 Acoustic energy attenuation plate for low, medium and high frequencies.
PT94440051TPT637820E (en)1993-08-061994-08-03 ABSORBENT ACOUSTIC POWER PANEL IN LOW, MIDDLE AND HIGH FREQUENCIES
DE69424351TDE69424351T2 (en)1993-08-061994-08-03 Acoustic energy attenuation plate for low, medium and high frequencies
ES94440051TES2074974T3 (en)1993-08-061994-08-03 ABSORBENT PANEL OF ACOUSTIC ENERGY IN LOW, MEDIUM AND HIGH FREQUENCIES.
AT94440051TATE192876T1 (en)1993-08-061994-08-03 PLATE FOR DAMPING ACOUSTIC ENERGY FOR LOW, MEDIUM AND HIGH FREQUENCIES
KR1019940019233AKR950005682A (en)1993-08-061994-08-04 Panels that absorb low, medium and high frequencies, especially acoustic energy from 400 Hz to 5,000 Hz
JP18472094AJP3333052B2 (en)1993-08-061994-08-05 Sound absorbing panel
SK938-94ASK281833B6 (en)1993-08-061994-08-05Panel absorbing acoustic energy
RU94028651/28ARU2106021C1 (en)1993-08-061994-08-05Board which absorbs acoustic power of low, medium and high frequency, in particular, in frequency range of 400-5000 hz

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
FR9309846AFR2708777B1 (en)1993-08-061993-08-06 Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz.

Publications (2)

Publication NumberPublication Date
FR2708777A1 FR2708777A1 (en)1995-02-10
FR2708777B1true FR2708777B1 (en)1995-09-22

Family

ID=9450106

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR9309846AExpired - Fee RelatedFR2708777B1 (en)1993-08-061993-08-06 Panel absorbing acoustic energy in the low, medium and high frequencies, in particular in the frequencies between 400 Hz and 5000 Hz.

Country Status (14)

CountryLink
US (1)US5493081A (en)
EP (1)EP0637820B1 (en)
JP (1)JP3333052B2 (en)
KR (1)KR950005682A (en)
AT (1)ATE192876T1 (en)
CA (1)CA2129269A1 (en)
CZ (1)CZ285530B6 (en)
DE (2)DE69424351T2 (en)
ES (1)ES2074974T3 (en)
FR (1)FR2708777B1 (en)
HU (1)HUH3806A (en)
PT (1)PT637820E (en)
RU (1)RU2106021C1 (en)
SK (1)SK281833B6 (en)

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Also Published As

Publication numberPublication date
PT637820E (en)2000-11-30
ES2074974T1 (en)1995-10-01
SK281833B6 (en)2001-08-06
KR950005682A (en)1995-03-20
FR2708777A1 (en)1995-02-10
HU9402264D0 (en)1994-10-28
DE69424351T2 (en)2001-01-04
DE637820T1 (en)1996-02-15
RU94028651A (en)1996-06-20
JPH07152384A (en)1995-06-16
CA2129269A1 (en)1995-02-07
US5493081A (en)1996-02-20
HUH3806A (en)1997-03-28
ATE192876T1 (en)2000-05-15
EP0637820B1 (en)2000-05-10
RU2106021C1 (en)1998-02-27
DE69424351D1 (en)2000-06-15
JP3333052B2 (en)2002-10-07
ES2074974T3 (en)2000-11-01
CZ182394A3 (en)1995-02-15
SK93894A3 (en)1995-03-08
EP0637820A1 (en)1995-02-08
CZ285530B6 (en)1999-08-11

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CDChange of name or company name
CJChange in legal form
STNotification of lapse

Effective date:20080430
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